Tonya Evinger was on the losing side of the most shocking upset in promotion history when she tapped out to Yana Kunitskaya in less than two minutes.

The bout was the main event of Invicta FC 20, which took place Nov. 18 at Scottish Rite Temple in Kansas City, Mo., and streamed on UFC Fight Pass.

After an early takedown from Evinger (18-5), Kunitskaya (9-2) rotated her hips and locked in an armbar. In an attempt to escape the hold, Evinger stood on Kunitskaya’s face. The referee instructed Evinger to move her foot from the Russian’s face. Moments later, Evinger tapped.

The heart of Evinger’s appeal was the fact that placing a foot on an opponent’s face on the ground is not a foul unless a strike was thrown. Evinger did not appear to fully stomp, though she pressed down aggressively multiple times, possibly in an effort to not lose her balance.

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By being forced to abandon a legal defense of the hold, she claimed, her ability to escape was reduced and led directly to a submission.

Today, Evinger posted a message on Facebook stating her appeal was successful, the bout has been ruled a no-contest and she is once again bantamweight champion.

“History was made today,” the message reads. “Our sport has grown beyond what could have been imagined in such a short time. It’s truly amazing to witness the growth from a sport fueled by ego and ignorance to a sport that is now represented by professionals, from athletes to promoters to referees and state commissions. A sport that has matured enough to be able to change an outcome due to a mistake or misjudgment. Today I was informed by the Missouri athletic commission that my appeal was accepted and my last fight in KC Nov 18th was overturned to a no contest. I will retain my world title and move forward awaiting the decisions for what’s next. Thanks to everyone for the support in this stressful situation, it’s a shame that it happened but I believe the sport has grown from this.”

On March 19, 2011, 23-year-old Jon Jones brutalized UFC light heavyweight champion “Shogun” Rua to become the youngest titleholder in UFC history. But for Jones, it was only the start of a wild ride that at times spun out of control.